1189661921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1637}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 1494484992

約数和(自身を除く): 304823071

約数列:

[1, 7, 17, 31, 119, 197, 217, 527, 1379, 1637, 3349, 3689, 6107, 11459, 23443, 27829, 42749, 50747, 103819, 194803, 322489, 355229, 726733, 862699, 2257423, 5482313, 6038893, 9997159, 38376191, 69980113, 169951703, 1189661921]

約数ペア:

[(1, 1189661921), (7, 169951703), (17, 69980113), (31, 38376191), (119, 9997159), (197, 6038893), (217, 5482313), (527, 2257423), (1379, 862699), (1637, 726733), (3349, 355229), (3689, 322489), (6107, 194803), (11459, 103819), (23443, 50747), (27829, 42749)]